Life & fun · alternatives · 2026

24 alternatives to OAuth.io
Integrate any Oauth provider in 90 seconds into your apps.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OAuth.io launched in 2015; newer entries below may have overtaken it.
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- 2OI
2013 · oauth.io · its alternatives →
- 3
Permit.io▲677The new Permit.io CLI brings developer-first workflows to access control. Define, test, deploy, and enforce fine-grained authorization using AI, CI/CD, GitOps, and OpenAPI — all from your terminal
2023 · permit.io · its alternatives →
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- 6AI
2012 · action.io · its alternatives →
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- 8

Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go. -
2016 · github.com · its alternatives →
- 9
SimpleID▲150Add decentralized auth and storage to your app in 10 minutes
2019 · simpleid.xyz · its alternatives →
- 10

Develop APIs fast + automatically detect endpoints
2025 · fastrequest.apidog.com · its alternatives →
- 11

Fully flexible, open source auth in 15 minutes
2022 · supertokens.com · its alternatives →
- 12
Feather Auth▲184Build an entire sign-in flow in 5 minutes or less.
2020 · feather.id · its alternatives →
- 13
FusionAuth▲120Auth for any app. Get every feature. Deploy everywhere.
2018 · fusionauth.io · its alternatives →
- 14
Apinizer▲83Full lifecycle API management & integration platform
2021 · apinizer.com · its alternatives →
- 15

- 16

Build product integrations with AI. Contribute to NangoHQ/nango development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 17

Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go. -
2016 · github.com · its alternatives →
- 18

Nango (https://github.com/NangoHQ/nango) provides pre-built OAuth flows, secure token storage and automatic refreshes for 40+ APIs and counting. Why we built Nango: We built Nango to solve the pain of accessing OAuth APIs. Despite OAuth being a standard protocol in theory, it remains a major burden to implement it, even with the help of a library. You still need to add endpoints and logic to your app for the server-side dance, implement token refreshes, build & secure your token storage, deal with redirects on the frontend etc. But the worst part is that (almost) every…
2023 · nango.dev · its alternatives →
- 19OM
2017 · login-with.com · its alternatives →
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Integuru▲161Hey HN! We’re Alan and Richard from Integuru (YC W24). We generate fast, reliable integrations for platforms lacking official APIs. About 2 years ago, we released the first agent that reverse-engineers network traffic to build integrations (https://github.com/Integuru-AI/Integuru). Since then, we’ve developed a new approach to reverse-engineer platforms’ source code directly. This solution also includes authentication support. Here’s a demo: https://youtu.be/4l2L8fILC2g?si=nbWbDiFrWZIWRPM7. Many AI products need to integrate with web apps, but platforms…
May 2026 · integuru.com · its alternatives →
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Discover and enable identity integrations in minutes
2020 · marketplace.auth0.com · its alternatives →
- 24

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →